html,
body {
  height: 100%;
  width: 100%;
  box-sizing: border-box;
}

.box {
  height: 100%;
  background-color: #fff;
  display: flex;
  flex-direction: column;
}

.top {
  width: 100%;
  height: 32px;
  padding: 20px 0px;
  background-color: #17b835;
  position: fixed;
  top: 0px;
  z-index: 1;
  display: block;
}

.box .top .container {
  height: 100%;
  width: 1214px;
  margin: auto;
  display: flex;
  align-items: center;
}

.box .top h1 img {
  width: 168px;
  height: 32px;
  margin-right: 40px;
}

.box .top .daohang ul {
  width: 615px;
  display: flex;
  justify-content: space-around;
}

.box .top .daohang ul li {
  font-size: 16px;
  color: #fff;
  position: relative;
}

.box .top .daohang ul .active::after {
  position: absolute;
  bottom: 15px;
  left: 0;
  bottom: -10px;
  width: 100%;
  height: 2px;
  content: "";
  border-radius: 2px;
  background-color: #fff;
}

.box .top .daohang ul li:hover {
  font-weight: 600;
  cursor: pointer;
}

.box .top p {
  margin-left: 40px;
  font-size: 20px;
  color: #fff;
}

.box .top .btn {
  width: 110px;
  height: 40px;
  border-radius: 5px;
  background-color: #00ab39;
  font-size: 12px;
  color: #fff;
  text-align: center;
  line-height: 40px;
  margin-left: 24px;
}

.box .top .btn:hover {
  background-color: #24a448;
  cursor: pointer;
}
/* =====================导航======================== */

main {
  margin-top: 72px;
  width: 100%;
  background-color: #fafbfc;
}
main .banner {
  width: 100%;
  height: 300px;
  position: relative;
  overflow: hidden;
}
.banner .swiper {
  width: 100%;
  height: 300px;
  display: flex;
  float: left;
  position: relative;
  left: 0px;
}
.banner .swiper .slide img {
  height: 300px;
  width: 1349px;
  float: left;
}
.banner .pagination {
  position: absolute;
  bottom: 20px;
  left: 0px;
  text-align: center;
  width: 100%;
  height: 8px;
}
.banner .pagination span {
  display: inline-block;
  width: 32px;
  height: 8px;
  background-color: #fff;
  border-radius: 4px;
  margin: 0px 5px;
  cursor: pointer;
}
.banner .pagination .active {
  background-color: #17b835;
}
/* ====================banner=================== */

.section {
  width: 1280px;
  margin: auto;
  padding-right: 52px;
  padding-left: 52px;
  box-sizing: border-box;
}
.section .section1 {
  width: 1176px;
}
.section .section1 h3 {
  padding-top: 90px;
  color: #222;
  font-size: 30px;
  font-weight: 500;
  line-height: 38px;
}
.section .section1 .first {
  margin-top: 49px;
}
.section .section1 .first .column {
  display: flex;
  box-sizing: content-box;
  width: 1176px;
  height: 344px;
  background: #fff;
}
.section .section1 .first .column .column-L {
  display: flex;
  flex-direction: column;
  width: 550px;
  height: 100%;
  justify-content: space-between;
}
.section .section1 .first .column .column-L .L-top {
  padding-left: 16px;
  cursor: pointer;
}
.section1 .first .column .column-L .L-top .column-tag {
  margin-left: -16px;
  padding-top: 13px;
}
.section1 .first .column .column-L .L-top .column-tag span {
  display: block;
  background-image: url("https://p1.ssl.qhimg.com/t014912fdc586ee1980.png");
  width: 86px;
  height: 28px;
  padding-left: 24px;
  color: #fffefe;
  background-size: cover;
  font-size: 14px;
  font-weight: 500;
  line-height: 28px;
}
.section1 .first .column .column-L .L-top h4 {
  padding-top: 14px;
  color: #222;
  font-size: 24px;
  font-weight: 500;
  line-height: 32px;
}
.section1 .first .column .column-L .L-top .num {
  padding-top: 9px;
}
.section1 .first .column .column-L .L-top .num p {
  color: #222;
  font-size: 12px;
  font-weight: 400;
  line-height: 20px;
}
.section1 .first .column .column-L .L-top .num p span {
  color: #1a4fc9;
}
.section1 .first .column .column-L .L-top .text {
  overflow: hidden;
  padding-top: 35px;
  text-overflow: ellipsis;
  color: #666;
  font-size: 14px;
  font-weight: 400;
  line-height: 22px;
}
.section1 .first .column .column-L .L-bottom{
  display: flex;
  height: 73px;
  margin-left: 18px;
  border-top: 1px solid #f0f0f0;
  align-items: center;
  justify-content: space-between;
 
}
.section1 .first .column .column-L .L-bottom img{
   width: 12px;
  height: 14px;
}
.section1 .first .column .column-L .L-bottom span{
  padding-left: 4px;
  cursor: pointer;
  color: #389e0d;
  font-size: 14px;
  font-weight: 400;
  line-height: 22px;
  
}
.section1 .first .column .column-L .L-bottom button{
  width: 99px;
  height: 27px;
  color: #fffefe;
  border: none;
  border-radius: 14px;
  outline: none;
  background: #52c41a;
  font-size: 14px;
  font-weight: 500;
  line-height: 27px;
}

.section .section1 .first .column .column-R {
  width: 554px;
  height: 312px;
  margin: 16px 16px 16px 39px;
  background-repeat: no-repeat;
  background-position: 50%;
  background-size: cover;
}

.section .section1 .second {
  display: flex;
  padding-top: 30px;
  justify-content: space-between;
}
.section .section1 .second .item {
  display: flex;
  flex-direction: column;
  width: 376px;
  height: 440px;
  background: #fff;
  position:relative;
  border-radius: 6px;
  cursor: pointer;
  box-shadow: 0 6px 16px -8px rgb(0 0 0 / 8%);
  justify-content: space-between;
}
.section1 .second .item .item-tag {
  position: absolute;
  top: 0;
  left: 0;
}
.section1 .second .item .item-tag span {
  display: block;
  background-image: url("https://p1.ssl.qhimg.com/t014912fdc586ee1980.png");
  width: 86px;
  height: 28px;
  padding-left: 24px;
  color: #fffefe;
  background-size: cover;
  font-size: 14px;
  font-weight: 500;
  line-height: 28px;
}
.section .section1 .second .item .item-top{
  display: flex;
  padding: 16px 16px 0px;
  height: 367px;
  flex-direction: column;
  justify-content: space-between;
}

.section .section1 .second .item .item-top .item-img{
  width: 344px;
  height: 194px;
  background-repeat: no-repeat;
  background-position: 50%;
  background-size: cover;
}
.section .section1 .second .item .item-top h4{
  font-size: 18px;
  font-weight: 500;
  color: #222;
  line-height: 26px;
}
.section .section1 .second .item .item-top .num{
  font-size: 12px;
  display: flex;
  color: #222;
  line-height: 20px;
  font-weight: 400;
}
.section .section1 .second .item .item-top .num span{
  color: #1a4fc9;
}
.section .section1 .second .item .item-top .item-text{
  font-size: 14px;
  color: #666;
  font-weight: 400;
  line-height: 22px;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 16px;
}
.section .section1 .second .item .item-bottom{
  display: flex;
  height: 55px;
  align-items: center;
  border-top: 1px solid #f0f0f0;
  margin:0px 16px;
  justify-content: space-between;
}
.section .section1 .second .item .item-bottom img{
  width: 12px;
  height: 14px;
}
.section .section1 .second .item .item-bottom span{
  padding-left: 4px;
  font-size: 14px;
  line-height: 22px;
  font-weight: 400;
  color: #389e0b;
  cursor: pointer;
}
.section .section1 .second .item .item-bottom button{
  width: 83px;
  height: 23px;
  border-radius: 14px;
  background-color: #52c41a;
  color: #fffefe;
  font-size: 14px;
  font-weight: 500;
  line-height: 27px;
}

.section .more {
  display: block;
  width: 168px;
  height: 48px;
  margin: 45px auto 0;
  text-align: center;
  color: #555;
  border-radius: 28px;
  background: hsla(0, 0%, 89.4%, 0.3);
  font-size: 16px;
  font-weight: 300;
  line-height: 48px;
}
/* ------------------1-------------------- */

.section .section2 {
  width: 1176px;
  padding-top: 96px;
}
.section .section2 h3 {
  color: #222;
  font-size: 30px;
  font-weight: 500;
  line-height: 38px;
}
.section .section2 .list {
  display: flex;
  flex-wrap: wrap;
  padding-top: 15px;
  justify-content: space-between;
}
.section .section2 .list .list_item {
  padding-top: 30px;
}
.section2 .list .list_item .item {
  display: block;
  overflow: hidden;
  width: 276px;
  height: 216px;
  cursor: pointer;
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 6px 20px 0 rgb(42 109 239 / 10%);
}
.section2 .list .list_item .item-img {
  width: 276px;
  height: 152px;
  background-repeat: no-repeat;
  background-position: 50%;
  background-size: cover;
}
.section2 .list .list_item .item-title {
  padding-top: 6px;
  color: #222;
  font-size: 16px;
  line-height: 24px;
  overflow: hidden;
  padding-left: 16px;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-weight: 400;
}
.section2 .list .list_item .item-nav {
  padding-top: 1px;
  color: #666;
  font-size: 14px;
  line-height: 22px;
  overflow: hidden;
  padding-left: 16px;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-weight: 400;
}
.section2 .more {
  display: block;
  width: 168px;
  height: 48px;
  margin: 45px auto 0;
  text-align: center;
  color: #555;
  border-radius: 28px;
  background: hsla(0, 0%, 89.4%, 0.3);
  font-size: 16px;
  font-weight: 300;
  line-height: 48px;
}
.section2 .section2-banner img {
  width: 100%;
  margin-top: 96px;
  cursor: pointer;
}
/* ---------------------2---------------------- */
.section .section3 {
  width: 1176px;
  padding: 96px 0;
}
.section .section3 h3 {
  color: #222;
  font-size: 30px;
  font-weight: 500;
  line-height: 38px;
}
.section3 .teacher {
  display: flex;
  width: 1176px;
  height: 370px;
  margin-top: 45px;
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 6px 16px -8px rgb(0 0 0 / 8%);
}
.section3 .teacher .Left {
  width: 9px;
  height: 18px;
  padding-top: 160px;
  padding-left: 21px;
  cursor: pointer;
  outline: none;
}
.section3 .teacher .Right {
  width: 9px;
  height: 18px;
  padding-top: 160px;
  padding-left: 10px;
  cursor: pointer;
  outline: none;
}
.section3 .teacher .list-swiper {
  width: 1096px;
  height: 230px;
  padding-top: 30px;
  padding-bottom: 30px;
  padding-left: 10px;
}
.section3 .teacher .list-swiper .swiper-content {
  margin-left: auto;
  margin-right: auto;
  position: relative;
  overflow: hidden;
  list-style: none;
  padding: 0;
}
.section3 .teacher .list-swiper .swiper-content .content {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  transition-property: transform;
  box-sizing: content-box;
  justify-content: space-between;
}
.section3 .teacher .list-swiper .swiper-content .content .item {
  display: flex;
  flex-direction: column-reverse;
  width: 200px;
  height: 310px;
  background-repeat: no-repeat;
  background-position: 50%;
  background-size: cover;
  position: relative;
}

 .swiper-content .content .item .mask{
  width: 100%;
  height: 310px;
  position: absolute;
  top: 260px;
  background-color: rgba(0, 0, 0, 0.425);
}
 .swiper-content .content .item:hover .mask{
   top: 0px;
 }
 .swiper-content .content .item .mask h6{
   font-size: 16px;
   line-height: 48px;
   color: #f1f1f1;
   text-align: center;
 }
  .swiper-content .content .item .mask p{
    font-size: 16pz;
    line-height: 24px;
    color: #f1f1f1;
    padding: 0px 10px;
    float: left;
    text-align: left;
  }

/* --------------------------------------------*/
.customerService {
  position: fixed;
  z-index: 1;
  right: 0;
  bottom: 190px;
  display: flex;
  flex-direction: column;
  font-size: 14px;
  font-weight: 400;
}

.customerService .online {
  position: relative;
  display: flex;
  height: 66px;
  width: 70px;
  align-items: center;
}

.customerService .online .respondWarp {
  position: absolute;
  right: 72px;
  display: flex;
  width: 220px;
  padding: 10px 10px;
  height: 40px;
  border-radius: 5px;
  background: #fff;
  box-shadow: 0 4px 16px 0 rgba(0, 0, 0, 0.13);
  display: none;
}

.customerService .online .respondWarp .respond {
  font-size: 12px;
  line-height: 20px;
}

.customerService .online .respondWarp .respond p {
  color: #0d101c;
  margin-bottom: 3px;
  font-weight: 500;
}

.customerService .online .respondWarp .respond span {
  color: #39435a;
}

.customerService .online .logowarp {
  position: absolute;
  right: 20px;
  display: flex;
  width: 42px;
  height: 42px;
  transition: all 0.3s;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 4px 16px 0 rgb(0 0 0 / 10%);
  align-items: center;
  justify-content: center;
}

.customerService .online1 .logowarp .logo {
  width: 24px;
  height: 24px;
  background-size: cover;
  background-image: url(https://p4.ssl.qhimg.com/t01d155f749bc395539.png);
}

.customerService .online1:hover .respondWarp {
  display: block;
}

.customerService .online1:hover .logowarp {
  background-color: #17b835;
}

.customerService .online1:hover .logowarp .logo {
  background-image: url(https://p2.ssl.qhimg.com/t01bc0a3c00493c05b3.png);
}

.customerService .online2 .logowarp .logo {
  width: 24px;
  height: 24px;
  background-size: cover;
  background-image: url(https://p1.ssl.qhimg.com/t01b48cf9406fe08f61.png);
}

.customerService .online2:hover .respondWarp {
  display: block;
}

.customerService .online2:hover .logowarp {
  background-color: #17b835;
}

.customerService .online2:hover .logowarp .logo {
  background-image: url(https://p1.ssl.qhimg.com/t0179408a4fa7690b92.png);
}

.customerService .online3 .logowarp .logo {
  width: 24px;
  height: 24px;
  background-size: cover;
  background-image: url(https://p5.ssl.qhimg.com/t010165422b58662c26.png);
}

.customerService .online3:hover .respondWarp {
  display: block;
}

.customerService .online3:hover .logowarp {
  background-color: #17b835;
}

.customerService .online3:hover .logowarp .logo {
  background-image: url(https://p3.ssl.qhimg.com/t01e954e3fada323628.png);
}

.customerService .back_top {
  z-index: 10;
  position: fixed;
  right: 20px;
  bottom: 130px;
  overflow: hidden;
  width: 42px;
  height: 50px;
  transition: all 0.3s;
  text-align: center;
  color: #17b835;
  border-radius: 50%;
  background: url(https://p2.ssl.qhimg.com/t012519c8f15ce3c0d9.png) top
    no-repeat;
  background-size: 24px;
  font-size: 14px;
  line-height: 4.5em;
  display: none;
  cursor: pointer;
}

/* ============customerService================ */

.footer .foot {
  width: 100%;
  height: 390px;
  background-color: #161c2e;
  overflow: hidden;
  display: flex;
  justify-content: center;
}

.foot .logo2 {
  margin-top: 60px;
  margin-left: 10px;
}

.foot .logo2 img {
  width: 240px;
  height: 46px;
}

.foot .nav1 {
  margin-left: 145px;
}

.foot .nav1 p {
  font-size: 16px;
  color: #fff;
  margin-top: 66px;
  margin-bottom: 39px;
}

.foot .nav1 li {
  font-size: 12px;
  color: #adafb6;
  margin-bottom: 23px;
}

.foot .nav2 {
  margin-left: 200px;
}

.foot .nav2 p {
  font-size: 16px;
  color: #fff;
  margin-top: 66px;
  margin-bottom: 39px;
}

.foot .nav2 li {
  font-size: 12px;
  color: #adafb6;
  margin-bottom: 23px;
}

.foot .nav3 {
  margin-left: 120px;
}

.foot .nav3 p {
  font-size: 16px;
  color: #fff;
  margin-top: 66px;
  margin-bottom: 39px;
}

.foot .nav3 img {
  width: 82px;
  height: 82px;
}

.foot .nav3 span {
  display: block;
  margin-top: 15px;
  font-size: 13px;
  color: #adafb6;
}

.foot .nav4 {
  margin-top: 126px;
  margin-left: 20px;
}

.foot .nav4 img {
  width: 82px;
  height: 82px;
}

.foot .nav4 span {
  display: block;
  margin-top: 15px;
  font-size: 13px;
  color: #adafb6;
}

.foot li:hover {
  color: #00ab39;
}

.footer .end {
  width: 100%;
  height: 100px;
  background-color: #0d101c;
  text-align: center;
  overflow: hidden;
}

.end p:nth-child(1) {
  margin-top: 34px;
}

.end p:nth-child(1) span {
  margin-right: 20px;
  font-size: 12px;
  color: #007bff;
}

.end p {
  font-size: 12px;
  color: #999;
}
